3.2.42. twamp

Note

requires a Product License.

The TWAMP services configuration.

vsr running config# vrf <vrf> twamp

server

TWAMP server configuration.

vsr running config# vrf <vrf> twamp server

enabled (pushed)

Enable or disable the TWAMP server.

vsr running config# vrf <vrf> twamp server
vsr running server# enabled true|false
Default value
true

address (mandatory)

The address on which this server will listen. To listen on any IPv4 or IPv6 addresses, use 0.0.0.0 or :: respectively.

vsr running config# vrf <vrf> twamp server
vsr running server# address ADDRESS

ADDRESS values

Description

<ipv4-address>

An IPv4 address.

<ipv6-address>

An IPv6 address.

reflector-udp-port-range (mandatory)

The reflector port or port range used for the test.

vsr running config# vrf <vrf> twamp server
vsr running server# reflector-udp-port-range REFLECTOR-UDP-PORT-RANGE

REFLECTOR-UDP-PORT-RANGE

A single port or a range between 1025 and 65535. Examples: 10000-20000.

client

The list of TWAMP clients.

vsr running config# vrf <vrf> twamp client <string>{1,255}

<string>{1,255}

The name for this TWAMP client.

enabled (pushed)

Enable or disable this TWAMP client.

vsr running config# vrf <vrf> twamp client <string>{1,255}
vsr running client <string>{1,255}# enabled true|false
Default value
true

server (mandatory)

The server on which the client will connect to. This is also the IP used for the test session.

vsr running config# vrf <vrf> twamp client <string>{1,255}
vsr running client <string>{1,255}# server SERVER

SERVER values

Description

<ipv4-address>

An IPv4 address.

<ipv6-address>

An IPv6 address.

source

The source IP used to reach the server and make the test.

vsr running config# vrf <vrf> twamp client <string>{1,255}
vsr running client <string>{1,255}# source SOURCE

SOURCE values

Description

<ipv4-address>

An IPv4 address.

<ipv6-address>

An IPv6 address.

sender-udp-port-range (mandatory)

The sender port or port range used for the test.

vsr running config# vrf <vrf> twamp client <string>{1,255}
vsr running client <string>{1,255}# sender-udp-port-range SENDER-UDP-PORT-RANGE

SENDER-UDP-PORT-RANGE

A single port or a range between 1025 and 65535. Examples: 10000-20000.

reflector-udp-port

The UDP port to be used by the reflector for the test.

vsr running config# vrf <vrf> twamp client <string>{1,255}
vsr running client <string>{1,255}# reflector-udp-port REFLECTOR-UDP-PORT

REFLECTOR-UDP-PORT

A 16-bit port number used by a transport protocol such as TCP or UDP.

Default value
862

packet-count

Set the number of packets used to compute statistics.

vsr running config# vrf <vrf> twamp client <string>{1,255}
vsr running client <string>{1,255}# packet-count <10-1000>
Default value
30

packet-interval

unit: msec

The delay between each TWAMP-Test packet in milliseconds.

vsr running config# vrf <vrf> twamp client <string>{1,255}
vsr running client <string>{1,255}# packet-interval <100-10000>
Default value
1000

packet-tos

The type of service to use in test packets (IPv4 only).

vsr running config# vrf <vrf> twamp client <string>{1,255}
vsr running client <string>{1,255}# packet-tos <0-255>

test-session (state only)

The measurements computed with the last <packet-count> packets.

starts (state only)

The start date of the test session.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session starts

clock-sync (state only)

Indicate if the clock between the sender and the reflector seems synchronized. If not, only the round-trip statistics are relevant.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session clock-sync

send-hops-average (state only)

Hops average between the sender and the reflector.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session send-hops-average

reflect-hops-average (state only)

Hops average between the reflector and the sender.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session reflect-hops-average

packets-lost-average (state only)

The average of packets responses not received back from reflector before timeout expired.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session packets-lost-average

round-trip-delay (state only)

The delay for packets to go to the reflector and come back.

minimum (state only)

unit: microseconds

The minimum observed delay.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session round-trip-delay minimum
median (state only)

unit: microseconds

The median value for observed delays.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session round-trip-delay median
average (state only)

unit: microseconds

The median value for observed delays.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session round-trip-delay average
maximum (state only)

unit: microseconds

The maximum observed delay.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session round-trip-delay maximum

send-delay (state only)

The delay for packets to go to the reflector.

minimum (state only)

unit: microseconds

The minimum observed delay.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session send-delay minimum
median (state only)

unit: microseconds

The median value for observed delays.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session send-delay median
average (state only)

unit: microseconds

The median value for observed delays.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session send-delay average
maximum (state only)

unit: microseconds

The maximum observed delay.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session send-delay maximum

reflect-delay (state only)

The delay for packets to come back from the reflector.

minimum (state only)

unit: microseconds

The minimum observed delay.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session reflect-delay minimum
median (state only)

unit: microseconds

The median value for observed delays.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session reflect-delay median
average (state only)

unit: microseconds

The median value for observed delays.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session reflect-delay average
maximum (state only)

unit: microseconds

The maximum observed delay.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session reflect-delay maximum

round-trip-jitter (state only)

The jitter observed in a round trip.

median (state only)

unit: microseconds

The median value for observed jitters.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session round-trip-jitter median
average (state only)

unit: microseconds

The median value for observed jitters.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session round-trip-jitter average

send-jitter (state only)

The jitter observed between sender and reflector.

median (state only)

unit: microseconds

The median value for observed jitters.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session send-jitter median
average (state only)

unit: microseconds

The median value for observed jitters.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session send-jitter average

reflect-jitter (state only)

The jitter observed between reflector and sender.

median (state only)

unit: microseconds

The median value for observed jitters.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session reflect-jitter median
average (state only)

unit: microseconds

The median value for observed jitters.

vsr> show state vrf <vrf> twamp client <string>{1,255} test-session reflect-jitter average